Experimental error performance of modulation schemes under a controlled laboratory turbulence FSO channel

Sujan Rajbhandari, Zabih Ghassemlooy, Paul Anthony Haigh, Thavamaran Kanesan, Xuan Tang

Research output: Contribution to journalArticle (Academic Journal)

32 Citations (Scopus)

Abstract

This paper experimentally investigates the performance of different modulation schemes under the atmospheric turbulence conditions for free space optical communication links. The experiments were carried out in a dedicated and controlled indoor atmospheric chamber. The turbulence environment was created by introducing hot air, while the temperature profile was monitored throughout the chamber to maintain a constant environment. By evaluating the error performance of different modulation schemes under identical conditions, it was observed that pulse position modulation offers the best performance, followed by subcarrier intensity modulation under weak turbulence environments.

Original languageEnglish
Article number6980097
Pages (from-to)244-250
Number of pages7
JournalJournal of Lightwave Technology
Volume33
Issue number1
DOIs
Publication statusPublished - 1 Jan 2015

Keywords

  • bit error rate
  • Free space optics
  • modulation schemes
  • turbulence

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